DL 1605 then DL 5199 at Detroit
Fort Lauderdale → Detroit → Huntsville
Timetable, Detroit time
15:54DL 1605 from Fort Lauderdale at the gate
13:32DL 5199 to Huntsville leaves the gate
21 h 38 apart on the timetable, overnight
DL 5199 leaves 21 h 38 after DL 1605 arrives on the timetable: more than half a day, so not a connection we count.